Patents by Inventor Tatsuya DEWA

Tatsuya DEWA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Axle assembly
    Patent number: 10837544
    Abstract: An axle assembly includes a first axle shaft, an axle housing, a first inlet port, a first outlet port, and a first oil passage. The axle housing has a first housing component that includes a first space in which at least part of the first axle shaft is disposed, a flange that is adjacent to the first space and includes a communicating hole, and a central housing component that includes a central space connected to the first space through the communicating hole of the flange. The first inlet port is disposed below an axis of the first axle shaft in the central space. The first outlet port is disposed in the first space. The first oil passage extends from the first inlet port to the first outlet port.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: November 17, 2020
    Assignee: KOMATSU LTD.
    Inventors: Tatsuya Dewa, Takao Nakamura
  • AXLE ASSEMBLY
    Publication number: 20190024778
    Abstract: An axle assembly includes a first axle shaft, an axle housing, a first inlet port, a first outlet port, and a first oil passage. The axle housing has a first housing component that includes a first space in which at least part of the first axle shaft is disposed, a flange that is adjacent to the first space and includes a communicating hole, and a central housing component that includes a central space connected to the first space through the communicating hole of the flange. The first inlet port is disposed below an axis of the first axle shaft in the central space. The first outlet port is disposed in the first space. The first oil passage extends from the first inlet port to the first outlet port.
    Type: Application
    Filed: September 11, 2017
    Publication date: January 24, 2019
    Inventors: Tatsuya DEWA, Takao NAKAMURA